Nuclear structure of {sup 159}Gd

The well deformed atomic nucleus {sup 159}Gd was investigated by means of radiative neutron capture and single neutron transfer reactions. Nearly 70 secondary {gamma} rays from the (n,{gamma}) reaction studied with high-resultion bent-crystal spectrometers at Grenoble are assigned to {sup 159}Gd. Ab...

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Published in:Physical review. C, Nuclear physics Nuclear physics, 2004-09, Vol.70 (3)
Main Authors: Granja, C., Pospisil, S., Aprahamian, A., Boerner, H., Lehmann, H., Egidy, T. von, Wirth, H.-F., Graw, G., Hertenberger, R., Eisermann, Y., Nosek, D., Rubacek, L., Telezhnikov, S.A., Department of Physics, Notre Dame University, South Bend, Indiana 46556, Institut Laue-Langevin, BP 156, F-38042 Grenoble, Physik-Department, Technische Universitaet Muenchen, D-85748 Garching, Sektion Physik, Ludwig-Maximilians-Universitaet Muenchen, D-85748 Garching, Faculty of Mathematics and Physics, Charles University, CZ-18000 Prague 8, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, CZ-11519 Prague 1, Joint Institute for Nuclear Research, 141-980 Dubna, M.R.
Format: Article
Language:English
Subjects:
CAPTURE
DEFORMED NUCLEI
DEUTERON BEAMS
GADOLINIUM 159
GAMMA RADIATION
MEV RANGE
NEUTRON REACTIONS
NEUTRON TRANSFER
NEUTRONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR STRUCTURE
QUASIPARTICLE-PHONON MODEL
ROTATIONAL STATES
SHELL MODELS
SPIN
VAN DE GRAAFF ACCELERATORS
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Summary:The well deformed atomic nucleus {sup 159}Gd was investigated by means of radiative neutron capture and single neutron transfer reactions. Nearly 70 secondary {gamma} rays from the (n,{gamma}) reaction studied with high-resultion bent-crystal spectrometers at Grenoble are assigned to {sup 159}Gd. About 200 levels with spin up to (11/2) are observed in this nucleus below 2.3 MeV in (d,p) and (d,t) reactions investigated at the Tandem Van de Graaff accelerator in Garching using unpolarized (18 MeV) and polarized (22 MeV) deuteron beams, respectively. The proposed level scheme for this nucleus is arranged into 21 rotational bands. Experimentally observed levels are interpreted using predictions obtained within the quasiparticle-phonon model and the quasiparticle-rotor approach for a well deformed nucleus.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.70.034316